:root {
  color-scheme: dark;
  --ink: #15152a;
  --paper: #fff5df;
  --coral: #ff5d5d;
  --blue: #4f7cff;
  --butter: #ffd166;
  --mint: #58d6a9;
  --lilac: #b695ff;
  --ink-muted: #9aa7a0;
  --night: #070b0e;
  --panel: #10171b;
  --panel-raised: #182126;
  --line: #344149;
  --signal: var(--coral);
  --signal-bright: var(--butter);
  --danger: var(--coral);
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", "Franklin Gothic Condensed", sans-serif;
  --body: Inter, ui-rounded, "SF Pro Rounded", "Segoe UI", sans-serif;
  --utility: "Avenir Next Condensed", "Arial Narrow", sans-serif;
  font-family: var(--body);
  background: var(--night);
  color: var(--paper);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 0;
  background: #070b0e;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(circle at 80% 0%, rgb(52 75 80 / 24%), transparent 34rem),
    linear-gradient(180deg, #10171a 0%, #080b0e 46%, #06090b 100%);
}

button,
progress {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  background: var(--butter);
  box-shadow: 4px 4px 0 var(--blue);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.app-shell {
  width: min(100% - 2rem, 1320px);
  margin-inline: auto;
}

.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.6rem, 4vw, 3.4rem) 0 clamp(1.25rem, 3vw, 2rem);
}

.eyebrow,
.panel-label {
  margin: 0 0 0.55rem;
  font-family: var(--utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
}

h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.7rem, 7vw, 6.2rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.08em;
  color: var(--paper);
  text-shadow: 0 4px 0 rgb(0 0 0 / 35%);
}

h1 span {
  color: var(--signal);
}

.masthead-note {
  margin: 0 0 0.15rem;
  font-family: var(--display);
  font-size: clamp(0.82rem, 1.5vw, 1.05rem);
  line-height: 1.45;
  color: var(--ink-muted);
  text-align: right;
}

.room-frame {
  position: relative;
  z-index: 0;
  margin: 0;
  overflow: hidden;
  border: 3px solid var(--ink);
  border-radius: 1.25rem;
  background: #040708;
  box-shadow:
    8px 8px 0 var(--blue),
    0 32px 80px rgb(0 0 0 / 55%);
  isolation: isolate;
}

.room-transform {
  position: relative;
  width: 100%;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  transform-origin: 50% 50%;
  transition: transform 750ms cubic-bezier(0.7, -0.28, 0.3, 1.28);
}

#room-scene {
  display: block;
  width: 100%;
  height: 100%;
}

.darkness-overlay {
  opacity: 0.65;
  mix-blend-mode: multiply;
  transition: opacity 500ms ease;
}

.ceiling-glow,
.ceiling-cone,
.moon-beam,
.table-lamp-glow,
.red-wash,
.everything-wash,
.bulb-lit-fill,
#ghost,
#glowing-fish {
  opacity: 0;
  transition: opacity 320ms ease;
}

.ceiling-cone {
  opacity: 0;
  mix-blend-mode: screen;
}

.red-wash,
.everything-wash {
  mix-blend-mode: screen;
}

.disco-layer {
  mix-blend-mode: screen;
}

.disco-beam {
  opacity: 0.42;
  transform-origin: 600px 0;
}

.atmosphere {
  position: absolute;
  z-index: 5;
  inset: 0 0 6.75rem;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgb(255 255 255 / 0.018) 1px, transparent 1px),
    radial-gradient(circle at center, transparent 50%, rgb(0 0 0 / 50%) 110%);
  background-size: 4px 100%, 100% 100%;
  mix-blend-mode: overlay;
}

.wall-switch {
  position: absolute;
  z-index: 4;
  top: 41.2%;
  left: 18.5%;
  display: flex;
  width: clamp(35px, 5.2%, 68px);
  aspect-ratio: 0.63;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  padding: 0.4% 0;
  border: 1px solid #d7d0b6;
  border-radius: 7%;
  background:
    linear-gradient(120deg, transparent 43%, rgb(0 0 0 / 10%) 44%, transparent 46%),
    linear-gradient(145deg, #ddd8bd, #9f9c88);
  box-shadow:
    0 8px 14px rgb(0 0 0 / 65%),
    inset 1px 1px 0 rgb(255 255 255 / 45%),
    inset -2px -2px 2px rgb(0 0 0 / 20%);
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition:
    top 700ms cubic-bezier(0.65, -0.4, 0.28, 1.35),
    left 700ms cubic-bezier(0.65, -0.4, 0.28, 1.35),
    box-shadow 160ms ease,
    filter 160ms ease;
}

.wall-switch:hover:not(:disabled) {
  filter: brightness(1.13);
  box-shadow:
    0 9px 18px rgb(0 0 0 / 75%),
    0 0 0 2px rgb(255 179 92 / 30%);
}

.wall-switch:focus-visible {
  outline: 4px solid var(--blue);
  outline-offset: 5px;
}

.wall-switch:disabled {
  cursor: wait;
}

.switch-screw {
  width: 12%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #6f7067;
  box-shadow: inset 0 0 0 1px #44453f;
}

.switch-screw::after {
  display: block;
  width: 100%;
  height: 1px;
  background: #343530;
  content: "";
  transform: translateY(50%) rotate(-20deg);
}

.switch-toggle {
  position: relative;
  display: grid;
  width: 47%;
  height: 53%;
  place-items: start center;
  border-radius: 12%;
  background: #7d7b6c;
  box-shadow: inset 0 2px 4px rgb(0 0 0 / 55%);
}

.switch-toggle span {
  width: 78%;
  height: 54%;
  margin-top: 6%;
  border-radius: 10%;
  background: linear-gradient(#f2edd4, #b7b29b);
  box-shadow: 0 3px 3px rgb(0 0 0 / 45%);
  transition: transform 120ms ease, margin 120ms ease;
}

.wall-switch.is-on .switch-toggle span {
  margin-top: 86%;
  box-shadow: 0 -3px 3px rgb(0 0 0 / 38%);
  transform: translateY(-100%);
}

.wall-switch.is-relocated {
  top: 69%;
  left: 76.5%;
}

.room-console {
  position: relative;
  z-index: 8;
  display: grid;
  min-height: 6.75rem;
  grid-template-columns: minmax(10rem, 0.27fr) 1fr;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 3vw, 2rem);
  border-top: 1px solid #455158;
  background:
    repeating-linear-gradient(0deg, rgb(255 255 255 / 0.018) 0 1px, transparent 1px 3px),
    #11191d;
  box-shadow: inset 0 1px rgb(255 255 255 / 4%);
}

.state-readout {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a7b4ae;
}

.state-led {
  width: 0.62rem;
  height: 0.62rem;
  border: 1px solid #51635e;
  border-radius: 50%;
  background: #26332f;
  box-shadow: 0 0 0 3px #0a0f11;
}

.room-frame[data-state="active"] .state-led,
.room-frame[data-state="normal"] .state-led {
  background: var(--signal-bright);
  box-shadow: 0 0 10px var(--signal-bright), 0 0 0 3px #0a0f11;
}

.room-frame[data-state="switching"] .state-led,
.room-frame[data-state="recovering"] .state-led {
  background: var(--danger);
  box-shadow: 0 0 9px var(--danger), 0 0 0 3px #0a0f11;
}

.effect-copy p {
  margin: 0;
}

.effect-name {
  font-family: var(--display);
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  line-height: 1.2;
  color: #f5efd9;
}

.effect-detail {
  margin-top: 0.28rem !important;
  font-size: clamp(0.78rem, 1.2vw, 0.93rem);
  color: var(--ink-muted);
}

.control-deck {
  display: grid;
  grid-template-columns: minmax(13rem, 0.75fr) minmax(17rem, 1.5fr) auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  margin-top: 1.75rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 3px solid var(--ink);
  border-radius: 1.25rem;
  background: rgb(16 23 27 / 78%);
  box-shadow: 6px 6px 0 var(--blue);
}

.attempt-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  align-items: end;
}

.attempt-panel .panel-label {
  grid-column: 1 / -1;
}

.attempt-count {
  min-width: 2ch;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.75;
  letter-spacing: -0.1em;
  color: var(--signal-bright);
}

.attempt-cycle {
  display: grid;
  gap: 0.45rem;
  align-self: end;
}

.attempt-cycle span {
  font-family: var(--utility);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7f8c87;
}

progress {
  width: 100%;
  height: 0.38rem;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #263136;
  color: var(--signal);
  accent-color: var(--signal);
}

progress::-webkit-progress-bar {
  background: #263136;
}

progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--signal), var(--signal-bright));
}

progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--signal), var(--signal-bright));
}

.instructions {
  max-width: 39rem;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.55;
  color: #a8b1ad;
}

kbd {
  padding: 0.1rem 0.4rem;
  border: 1px solid #536068;
  border-bottom-width: 2px;
  border-radius: 0.2rem;
  background: #202a2f;
  font-family: var(--utility);
  font-size: 0.75rem;
  color: #e9e8db;
}

.utility-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.utility-button {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  color: var(--ink);
  border: 3px solid var(--ink);
  border-radius: 0.75rem;
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--blue);
  font-family: var(--utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease, transform 150ms ease;
}

.utility-button:hover {
  background: var(--butter);
  transform: translateY(-1px);
}

.wall-switch:focus-visible,
.utility-button:focus-visible,
a:focus-visible {
  outline: 4px solid var(--blue);
  outline-offset: 4px;
}

.utility-button svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.utility-button[aria-pressed="false"] .sound-wave {
  display: none;
}

.utility-button[aria-pressed="false"] svg {
  opacity: 0.55;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0 2.5rem;
  font-family: var(--utility);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
}

footer p {
  margin: 0;
}

footer a {
  color: var(--paper);
  font-weight: 900;
  text-underline-offset: 0.2em;
}

.footer-warning {
  color: #9f7967;
}

/* Effect states */
.room-frame.effect-red .red-wash {
  opacity: 0.62;
  animation: red-pulse 900ms ease-in-out infinite alternate;
}

.room-frame.effect-red .darkness-overlay {
  opacity: 0.34;
}

.room-frame.effect-disco .disco-layer {
  opacity: 1;
}

.room-frame.effect-disco .darkness-overlay {
  opacity: 0.43;
}

.room-frame.effect-disco .beam-a {
  animation: disco-a 700ms ease-in-out infinite alternate;
}

.room-frame.effect-disco .beam-b {
  animation: disco-b 850ms ease-in-out infinite alternate;
}

.room-frame.effect-disco .beam-c {
  animation: disco-c 580ms ease-in-out infinite alternate;
}

.room-frame.effect-disco .disco-layer circle {
  animation: disco-blink 450ms steps(2, jump-none) infinite;
}

.room-frame.effect-table-lamp .table-lamp-glow {
  opacity: 1;
  animation: lamp-breathe 1.2s ease-in-out infinite alternate;
}

.room-frame.effect-table-lamp .darkness-overlay {
  opacity: 0.53;
}

.room-frame.effect-moonlight .moon-beam {
  opacity: 0.8;
}

.room-frame.effect-moonlight .darkness-overlay {
  opacity: 0.48;
}

.room-frame.effect-flicker .ceiling-glow,
.room-frame.effect-flicker .ceiling-cone,
.room-frame.effect-flicker .bulb-lit-fill {
  animation: bulb-flicker 1.35s steps(1, end) infinite;
}

.room-frame.effect-everything .everything-wash {
  opacity: 0.5;
  animation: everything-hum 1s ease-in-out infinite alternate;
}

.room-frame.effect-everything .darkness-overlay {
  opacity: 0.15;
}

.room-frame.effect-everything .furniture,
.room-frame.effect-everything .decor-object {
  filter: url(#small-glow);
}

.room-frame.effect-ghost #ghost {
  opacity: 0.82;
  animation: ghost-visit 2.8s ease-in-out both;
}

.room-transform.is-upside-down {
  transform: rotate(180deg) scale(0.97);
}

.room-frame.effect-fish #ceiling-bulb {
  opacity: 0;
}

.room-frame.effect-fish #glowing-fish {
  opacity: 1;
  animation: fish-swim 2.8s ease-in-out infinite;
}

.room-frame.effect-fish .darkness-overlay {
  opacity: 0.52;
}

.room-frame.effect-normal .darkness-overlay {
  opacity: 0.08;
}

.room-frame.effect-normal .ceiling-glow {
  opacity: 0.92;
}

.room-frame.effect-normal .ceiling-cone {
  opacity: 0.18;
}

.room-frame.effect-normal .bulb-lit-fill {
  opacity: 1;
}

.room-frame.effect-normal .state-led {
  background: #fff2a2;
  box-shadow: 0 0 12px #fff2a2, 0 0 0 3px #0a0f11;
}

.room-frame.effect-failure .ceiling-glow,
.room-frame.effect-failure .ceiling-cone,
.room-frame.effect-failure .bulb-lit-fill {
  opacity: 0;
}

@keyframes red-pulse {
  from { opacity: 0.48; }
  to { opacity: 0.72; }
}

@keyframes disco-a {
  from { transform: rotate(-9deg); opacity: 0.28; }
  to { transform: rotate(11deg); opacity: 0.65; }
}

@keyframes disco-b {
  from { transform: rotate(10deg); }
  to { transform: rotate(-12deg); }
}

@keyframes disco-c {
  from { transform: rotate(-4deg) scaleX(0.7); }
  to { transform: rotate(7deg) scaleX(1.2); }
}

@keyframes disco-blink {
  0%, 40% { opacity: 0.25; }
  41%, 100% { opacity: 0.8; }
}

@keyframes lamp-breathe {
  from { opacity: 0.68; transform: scale(0.96); transform-origin: 768px 502px; }
  to { opacity: 1; transform: scale(1.05); transform-origin: 768px 502px; }
}

@keyframes bulb-flicker {
  0%, 15%, 25%, 52%, 62%, 85%, 93%, 100% { opacity: 1; }
  16%, 24%, 53%, 61% { opacity: 0.03; }
  86%, 92% { opacity: 0.18; }
}

@keyframes everything-hum {
  from { opacity: 0.38; }
  to { opacity: 0.58; }
}

@keyframes ghost-visit {
  0% { transform: translate(80px, 400px) rotate(-5deg); opacity: 0; }
  25% { transform: translate(255px, 358px) rotate(3deg); opacity: 0.82; }
  62% { transform: translate(245px, 340px) rotate(-2deg); opacity: 0.82; }
  100% { transform: translate(70px, 405px) rotate(4deg); opacity: 0; }
}

@keyframes fish-swim {
  0%, 100% { transform: translateX(-8px) rotate(-3deg); }
  50% { transform: translateX(12px) rotate(4deg); }
}

@media (max-width: 820px) {
  .masthead {
    align-items: flex-start;
  }

  .masthead-note {
    max-width: 14rem;
  }

  .control-deck {
    grid-template-columns: 1fr 1fr;
  }

  .instructions {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 590px) {
  .app-shell {
    width: min(100% - 1rem, 1320px);
  }

  .masthead {
    display: block;
    padding-top: 1.25rem;
  }

  .masthead-note {
    margin-top: 1rem;
    text-align: left;
  }

  .room-frame {
    box-shadow: 6px 6px 0 var(--blue), 0 18px 40px rgb(0 0 0 / 50%);
  }

  .room-console {
    min-height: 7.8rem;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding-block: 0.85rem;
  }

  .atmosphere {
    bottom: 7.8rem;
  }

  .control-deck {
    grid-template-columns: 1fr;
    margin-top: 1rem;
  }

  .instructions {
    grid-column: auto;
    grid-row: auto;
  }

  .utility-controls,
  .utility-button {
    width: 100%;
  }

  footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .room-frame.effect-disco .disco-layer circle,
  .room-frame.effect-disco .disco-beam {
    animation: none !important;
    opacity: 0.42;
  }

  .room-frame.effect-red .red-wash,
  .room-frame.effect-table-lamp .table-lamp-glow,
  .room-frame.effect-everything .everything-wash,
  .room-frame.effect-fish #glowing-fish {
    animation: none !important;
  }

  .room-frame.effect-flicker .ceiling-glow,
  .room-frame.effect-flicker .ceiling-cone,
  .room-frame.effect-flicker .bulb-lit-fill {
    animation: none !important;
    opacity: 0.34;
  }

  .room-frame.effect-ghost #ghost {
    animation: none !important;
    opacity: 0.82;
    transform: translate(245px, 340px);
  }
}

@media (prefers-contrast: more) {
  .room-frame,
  .control-deck,
  .utility-button {
    border-color: #aebbb5;
  }

  .effect-detail,
  .instructions,
  .masthead-note {
    color: #d1d8d3;
  }
}